Kellner, Douglas
Critical theory marxism and modernity
Oxford Polity Press 1989,
 Buku Teks
China and the crisis of Marxism-Leninism
by Franz Michael, Carl Linden, Jan Pryblyla, Jurgen Domes
Westview Press, 1990
 Buku Referensi
Lichtheim, George
Marxism an historical and critical study
Routledge & Kegan Paul, 1964
 Buku Teks
Plamenatz, John
German marxism and Russian communism
Longmans, Green, 1954
 Buku Teks SO
Rossiter, Clinton, 1917-1970
Marxism : the view from America
Harcourt Brace, 1960
 Buku Teks SO